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Finding the Fourth Proportional to 89,877.48, 134,819.55 and 33,711.90

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Solution

The fourth proportional to 89,877.48, 134,819.55 and 33,711.90 is: 50,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.48 : 134,819.55 = 33,711.90 : x
  2. Step 2: Convert to fraction form
    89,877.48/134,819.55 = 33,711.90/x
  3. Step 3: Cross multiply
    89,877.48x = 134,819.55 × 33,711.90
  4. Step 4: Simplify right side
    89,877.48x = 4,545,023,187.65
  5. Step 5: Solve for x
    x = 4,545,023,187.65/89,877.48
  6. Step 6: Final answer
    x = 50,569.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.